1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __LINUX_COMPILER_TYPES_H 3 #error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead." 4 #endif 5 6 #ifdef __ECC 7 8 /* Some compiler specific definitions are overwritten here 9 * for Intel ECC compiler 10 */ 11 12 #include <asm/intrinsics.h> 13 14 /* Intel ECC compiler doesn't support gcc specific asm stmts. 15 * It uses intrinsics to do the equivalent things. 16 */ 17 #undef barrier 18 #undef barrier_data 19 #undef RELOC_HIDE 20 #undef OPTIMIZER_HIDE_VAR 21 22 #define barrier() __memory_barrier() 23 #define barrier_data(ptr) barrier() 24 25 #define RELOC_HIDE(ptr, off) \ 26 ({ unsigned long __ptr; \ 27 __ptr = (unsigned long) (ptr); \ 28 (typeof(ptr)) (__ptr + (off)); }) 29 30 /* This should act as an optimization barrier on var. 31 * Given that this compiler does not have inline assembly, a compiler barrier 32 * is the best we can do. 33 */ 34 #define OPTIMIZER_HIDE_VAR(var) barrier() 35 36 /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */ 37 #define __must_be_array(a) 0 38 39 #endif 40 41 #ifndef __HAVE_BUILTIN_BSWAP16__ 42 /* icc has this, but it's called _bswap16 */ 43 #define __HAVE_BUILTIN_BSWAP16__ 44 #define __builtin_bswap16 _bswap16 45 #endif 46 47 /* 48 * icc defines __GNUC__, but does not implement the builtin overflow checkers. 49 */ 50 #undef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 51